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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Engine Mechanical >> Starter >> Charging System (Battery, Starter And Generator) & Cruise Control (1 Of 2) >> 27 Battery, Starter, Generator, Cruise Control >> Battery >> Protective Housing, Removing And Installing >> PROTECTIVE HOUSING FOR Auxiliary Battery -A1-, REMOVING AND INSTALLING, 0K4 AND VH0 >> Removing

PROTECTIVE HOUSING FOR Auxiliary Battery -A1-, REMOVING AND INSTALLING, 0K4 AND VH0: Removing

-- Remove the Auxiliary Battery -A1-. Refer to Auxiliary Battery -A1-, REMOVING AND INSTALLING, (VH0 + 0K4) .

-- Remove the bolts -4 and 6-.

Fig 1: Auxiliary Battery -A1- Protective Housing
GWWA27-10672Courtesy of AUDI OF AMERICA, LLC

-- Remove the front crashpad -8- with retaining bracket -5-.

-- Free up the ground cable -2- with the Battery Monitoring Control Module -J367- on the protective housing.

-- Remove the bolts -3, 7 and 9-.

-- Remove the cover plate -1-.

-- Remove the pressure vent tube -5- by pressing the catches on both sides in direction of -arrows-.

GWWA27-10673Courtesy of AUDI OF AMERICA, LLC

-- Loosen the bolt -3- for the retaining bracket -2- four turns.

-- Remove the Auxiliary Battery - A1- -4- from the housing -1-.